"We act as if social media is firmly established in the world, but social media is really in its infancy. Like the first combustion engine cars that looked and acted more like horseless carriages than the cars we use today, we are fumbling toward revolutionary global ways to communicate with tools like Instagram, Twitter, Facebook, TikTok, and YouTube that don’t yet meet our needs. We are poorly served by systems rife with misinformation, misuse of our personal data, algorithms that are...